/* ==========================================================================
   Attention AI — site styles
   Built on the ds tokens (var(--…)). Translates the inline styles of
   _design_source.html into reusable classes. Dark theme is the default.
   Layout container: max-width 1240, 32px gutters (24 on mobile).
   ========================================================================== */

/* ---- Reset / base ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--surface-page);
  color: var(--text-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; }
a { color: inherit; -webkit-tap-highlight-color: transparent; }
::selection { background: color-mix(in srgb, var(--violet-500) 35%, transparent); }
.lucide { width: 1em; height: 1em; display: block; }
i[data-lucide] { display: inline-flex; }

/* Mono → sans collapse, matching the rendered Claude Design source
   (its <style> sets :root,[data-theme="dark"]{--font-mono:var(--font-sans)}).
   Geist is used everywhere; "technical" labels stay technical via the
   "// " prefix + UPPERCASE + 0.12em tracking, not a separate family.
   Kept in site.css (ds/ is authoritative/read-only). Real Geist Mono is an
   optional post-launch tweak — remove this rule to restore it. */
:root,
[data-theme="dark"] { --font-mono: var(--font-sans); }

/* reveal-on-scroll keyframe + reduce-motion guard */
@keyframes aaFadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* ---- Layout primitives -------------------------------------------------- */
.aa-main { flex: 1; }
.aa-container { max-width: 1240px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }

/* ---- Eyebrow / headings / section lead ---------------------------------- */
.aa-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-brand);
}
.aa-h1 {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.0;
  font-size: clamp(40px, 7vw, 64px);
  color: var(--text-strong);
  margin: 0;
}
.aa-h2 {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  font-size: 38px;
  color: var(--text-strong);
  margin: 14px 0 0;
}
.aa-section-lead {
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 14px 0 0;
}
.aa-section-head { text-align: center; max-width: 620px; margin: 0 auto; }

/* ==========================================================================
   Header / nav / dropdown
   ========================================================================== */
.aa-header {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 max(32px, calc((100% - 1180px) / 2));
  height: 64px;
  background: rgba(13, 13, 18, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}
.aa-header__brand { display: inline-flex; align-items: center; text-decoration: none; }
.aa-nav { display: flex; gap: 28px; align-items: center; }
.aa-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-standard);
}
.aa-nav-link:hover { color: var(--text-strong); }
.aa-nav-link--active { color: var(--text-strong); }

.aa-prod { position: relative; height: 64px; display: flex; align-items: center; }
.aa-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 320px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.16s var(--ease-standard), transform 0.16s var(--ease-standard);
  padding-top: 12px;
  z-index: 70;
}
.aa-prod:hover .aa-menu,
.aa-prod:focus-within .aa-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.aa-menu__panel {
  background: var(--surface-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 8px;
}
.aa-menu-row {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-standard);
}
.aa-menu-row:hover { background: var(--surface-sunken); }
.aa-menu-row__text { min-width: 0; }
.aa-menu-row__name { display: block; font-family: var(--font-sans); font-weight: 600; font-size: 14px; color: var(--text-strong); }
.aa-menu-row__cat { display: block; font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }

/* Hamburger + mobile nav (hidden on desktop) */
.aa-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
}
.aa-burger span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--text-strong);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease-standard), opacity var(--dur-fast) var(--ease-standard);
}
.aa-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.aa-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.aa-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.aa-mnav {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  z-index: 55;
  background: var(--surface-page);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.aa-mnav[hidden] { display: none; }
.aa-mnav-link {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-body);
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.aa-mnav-group { display: flex; flex-direction: column; gap: 4px; padding: 10px 0; border-bottom: 1px solid var(--border-subtle); }
.aa-mnav-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-subtle); padding: 2px 0 6px; }
.aa-mnav-sub { font-size: 15px; color: var(--text-muted); text-decoration: none; padding: 8px 0 8px 12px; }

/* ==========================================================================
   Hero
   ========================================================================== */
.aa-hero { position: relative; overflow: hidden; padding: 104px 32px 72px; text-align: center; }
.aa-hero__halo { position: absolute; inset: 0; background: var(--gradient-halo); pointer-events: none; }
.aa-hero__grid {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  pointer-events: none;
  background-image: linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(70% 60% at 50% 0%, #000 0%, transparent 75%);
  mask-image: radial-gradient(70% 60% at 50% 0%, #000 0%, transparent 75%);
}
.aa-hero__inner {
  position: relative;
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: aaFadeUp 0.6s var(--ease-out) both;
}
.aa-hero__h1 {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.0;
  font-size: clamp(40px, 7.5vw, 64px);
  color: var(--text-strong);
  margin: 22px 0 0;
}
.aa-hero__sub { font-size: 18px; line-height: 1.6; color: var(--text-body); margin: 22px 0 0; max-width: 560px; }
.aa-hero__metrics { display: flex; gap: 40px; margin-top: 44px; }
.aa-metric { text-align: center; }
.aa-metric__v { font-family: var(--font-mono); font-size: 26px; font-weight: 600; color: var(--text-strong); letter-spacing: -0.02em; }
.aa-metric__l { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 2px; }

/* ==========================================================================
   Portfolio intro + product rows (home)
   ========================================================================== */
.aa-portfolio-intro { padding: 64px 32px 16px; }

.aa-prow { border-top: 1px solid var(--border-subtle); }
.aa-prow__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 32px;
  display: flex;
  gap: 64px;
  align-items: center;
}
.aa-prow__copy { flex: 1; min-width: 0; }
.aa-prow__head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.aa-prow__name { font-family: var(--font-sans); font-weight: 600; font-size: 34px; letter-spacing: -0.025em; color: var(--text-strong); margin: 0; }
.aa-prow__tagline { font-size: 20px; line-height: 1.4; color: var(--text-strong); margin: 20px 0 0; letter-spacing: -0.01em; }
.aa-prow__oneliner { font-size: 16px; line-height: 1.6; color: var(--text-muted); margin: 12px 0 0; }
.aa-prow__highlights { display: flex; flex-direction: column; gap: 10px; margin-top: 22px; }
.aa-prow__chans { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 22px; }
.aa-prow__cta { display: flex; gap: 12px; margin-top: 28px; align-items: center; flex-wrap: wrap; }
.aa-prow__visual { flex: 1; min-width: 0; position: relative; }
.aa-prow__glow {
  position: absolute;
  inset: -14px;
  border-radius: var(--radius-2xl);
  background: var(--gradient-accent);
  opacity: 0.16;
  filter: blur(30px);
}

.aa-check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; line-height: 1.45; color: var(--text-body); }
.aa-check__ico { color: var(--accent-soft-fg); display: inline-flex; margin-top: 2px; flex: none; }

.aa-chan {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 4px 9px;
}

.aa-extlink {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-body);
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard);
}
.aa-extlink:hover { border-color: var(--accent); color: var(--text-strong); }

/* ==========================================================================
   Buttons (component classes; inline styles set base, these add hover)
   ========================================================================== */
.aa-btn--primary:hover { transform: translateY(-1px); background: var(--accent-hover, var(--accent)); }
.aa-btn--ghost:hover { border-color: var(--accent); color: var(--text-strong); }

/* ==========================================================================
   Cards (shared) — surface-card + border + radius + shadow, hover lift
   ========================================================================== */
.aa-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}
.aa-card--hover:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow-xl);
}

/* ==========================================================================
   Mockups — phone + desktop (visual reproductions)
   ========================================================================== */
.aa-phones { position: relative; width: 100%; display: flex; align-items: center; justify-content: center; }
.aa-phone { position: absolute; top: 50%; left: 50%; }
.aa-wins { position: relative; width: 100%; }
.aa-win { position: absolute; }
.aa-winbar { user-select: none; }

/* ==========================================================================
   Stub pages (placeholder content for not-yet-built pages)
   ========================================================================== */
.aa-stub { max-width: 1180px; margin: 0 auto; padding: 88px 32px; }
.aa-stub .aa-prow__head { margin-bottom: 8px; }
.aa-stub__note {
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-subtle);
}

/* ==========================================================================
   Contact form success state (rendered by main.js on submit)
   ========================================================================== */
.aa-contact-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 288px;
  text-align: center;
}
.aa-contact-success__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--success-soft);
  color: var(--success);
}
.aa-contact-success__ico i[data-lucide] { width: 26px; height: 26px; }
.aa-contact-success__title { font-family: var(--font-sans); font-weight: 600; font-size: 19px; color: var(--text-strong); }
.aa-contact-success__sub { font-size: 14px; color: var(--text-muted); }

/* ==========================================================================
   Footer
   ========================================================================== */
.aa-footer { border-top: 1px solid var(--border-subtle); padding: 56px 32px 36px; background: var(--surface-sunken); }
.aa-footer__top { display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap; max-width: 1180px; margin: 0 auto; }
.aa-footer__brand { max-width: 280px; }
.aa-footer__slogan { font-family: var(--font-sans); font-size: 15px; font-weight: 600; color: var(--text-strong); letter-spacing: -0.01em; margin: 16px 0 0; }
.aa-footer__desc { font-size: 13px; line-height: 1.6; color: var(--text-muted); margin-top: 10px; }
.aa-footer__badge { margin-top: 16px; }
.aa-footer__cols { display: flex; gap: 56px; flex-wrap: wrap; }
.aa-foot-col { display: flex; flex-direction: column; gap: 12px; }
.aa-foot-col__title { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-subtle); }
.aa-foot-link { font-size: 13px; color: var(--text-muted); text-decoration: none; transition: color var(--dur-fast) var(--ease-standard); }
.aa-foot-link:hover { color: var(--text-strong); }
.aa-footer__bottom {
  max-width: 1180px;
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.aa-foot-fine { font-family: var(--font-mono); font-size: 11px; color: var(--text-subtle); }

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */
.reveal { opacity: 1; }
.reveal.aa-pre { opacity: 0; transform: translateY(16px); }
.reveal.aa-in { opacity: 1; transform: none; transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .aa-nav { display: none; }
  .aa-burger { display: flex; }
  .aa-header { padding: 0 24px; }

  .aa-hero { padding: 88px 24px 56px; }
  .aa-hero__metrics { gap: 28px; }
  .aa-portfolio-intro { padding: 48px 24px 8px; }

  /* collapse product rows to single column */
  .aa-prow__inner { flex-direction: column !important; gap: 40px; padding: 56px 24px; }
  .aa-prow__copy, .aa-prow__visual { width: 100%; }

  /* collapse 2-col / 3-col grids */
  .aa-grid-2, .aa-grid-3 { grid-template-columns: 1fr !important; }

  .aa-stub { padding: 64px 24px; }
  .aa-footer { padding: 48px 24px 32px; }
  .aa-footer__top { gap: 32px; }
}

@media (max-width: 600px) {
  .aa-hero { padding: 72px 20px 48px; }
  .aa-hero__sub { font-size: 16px; }
  .aa-hero__metrics { gap: 22px; }
  .aa-metric__v { font-size: 22px; }
  .aa-h2 { font-size: 30px; }
  .aa-prow__name { font-size: 28px; }
  .aa-prow__tagline { font-size: 18px; }
  .aa-prow__inner { padding: 44px 20px; }
  .aa-footer__bottom { flex-direction: column; gap: 8px; }
}